Kate Upton, the Ladies of Mad Men, and More Best Dressed on Last Night's Red Carpet

With The Other Woman premiere in London and the Mad Men season-seven party in Los Angeles, best-dressed-list-worthy fashion abounded worldwide last night. We have A LOT to go through, so let's do this. This old-Hollywood glam look is really working for Kate Upton. In London, the model-actress stunned (yes, again) in a figure-flattering '50s-style dress from WilliamVintage. KAPOW. Lookin' good in The Row, Cameron Diaz. Co-star Leslie Mann beamed in a printed and sequined collar dress by Giles. Over in L.A., fashion wunderkind Kiernan Shipka nailed it yet again in a brocade frock by Nina Ricci. Her TV mom January Jones worked her off-screen avant garde thing in a futuristic asymmetric blocked dress by Roksanda Ilincic. Elisabeth Moss is seriously rocking my world these days (on- and off-screen), and she did it again in this sexytime Alexander McQueen leather-skirted dress. Damn, Peggy! Christina Hendricks smoldered in a silky tuxedo blouse and mirrored metallic pencil skirt by Wes Gordon. Jessica Pare went edgy-dramatic in a one-shoulder bustier dress by Antonio Berardi. Whew. Who's your favorite? It's a tough one for me, but, wow, Cameron Diaz and Elisabeth Moss. Need to get a leather dress, STAT.

With The Other Woman premiere in London and the Mad Men season-seven party in Los Angeles, best-dressed-list-worthy fashion abounded worldwide last night. We have A LOT to go through, so let's do this.

This old-Hollywood glam look is really working for Kate Upton. In London, the model-actress stunned (yes, again) in a figure-flattering '50s-style dress from WilliamVintage.